Therefore, you should take enough vitamins and inorganic salts in your diet. Fresh vegetables such as Chinese cabbage, rape, bell pepper and tomato, and fruits such as citrus and lemon are rich in vitamin C, which has antiviral effect.
Yellow-green vegetables such as carrots and amaranth are rich in vitamin A, which can protect and strengthen epithelial cells of upper respiratory mucosa and respiratory organs, thus resisting various pathogenic factors. Food rich in vitamin E should also be eaten to improve human immune function and enhance the body's disease resistance. This kind of food includes sesame, blue cabbage and cauliflower.
It is very important to keep in good health in spring and make food supplements, but when making food supplements, we must try to choose some flat and clear diets according to the characteristics of the gradual increase of human yang in spring to avoid backfiring.